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  • articleNo Access

    EARLY MUSCLE AFFECTION IN CHURG–STRAUSS SYNDROME

    Purpose: Skeletal muscle affection already in the eosinophilic stage of Churg–Strauss syndrome (CSS) is unusual.

    Case report: In a 36-year-old woman with a history of recurrent bronchial infections since childhood, recurrent poly-sinusitis and nasal polyps, and bronchial asthma, easy fatigability, weakness of the lower arms and lower legs, generalized myalgias with predominance of the lower arms, recurrent vertigo and falls developed. There was recurrently elevated creatine-kinase, glutamate-oxalate-transaminase, aldolase, lactate-dehydrogenase, eosinophilic granulocyte-count, thrombocyte-count, cholesterol, and blood sedimentation rate. Histologically polyps showed diffuse infiltrations of eosinophils exclusively. Muscle biopsy revealed grouped atrophic fibers, necrotic fibers, rarely regenerating fibers, epitheloid cells and rarely perimysial eosinophilic granulozytes. According to established criteria, CSS was diagnosed.

    Conclusions: This case shows that affection of the skeletal muscle in CSS, may manifest as easy fatigability, myalgias, and recurrently elevated CK, and that skeletal muscle involvement may be a dominant feature not only of the vasculitic but also of the eosinophilic stage of CSS.